Yamaha RX-Z11 Service Manual page 160

A B C
RX-Z11/DSP-Z11
DSP 2/3
1
POINT C-3 XL541 (Pin 29 of IC541) POINT E-1 XL701 (T25 of IC704)
2
3
5.0
0.6
0.1
0.6
3.3
0.6
0.1
0.6
3.3
0.2
0.1
0.2
0
DIGITAL IN
0.1
3.3
1.7
0
0
3.3
0
4
1.7
3.3
3.3
0
0
CB541
5
CB542
3.3
3.3
0
3.3
0
0
0
0
0
0
3.3
3.3
0
0
1.8
5.0
6.2
6.2
3.3
6
7
8
IC542, 543: TC74VHC153FT
IC541: LC89057W-VF4AD-E
Dual 4-channel multiplexer
Digital audio interface transceiver
A 14
EMPHA/UO AUDIO/VO INT CL CE CI XMODE
32 33 35 40 39 38 41
RXOUT 1 Microcontroller 2
Cbit, Ubit 37 DO B
I/F
RX0 2
36 RERR
RX1 3
RX2 4
Input Demodulation
Data
RX3 5 Selector & 21 RDATA
Selector 1C0 6
Lock detect
RX4 8
S0
RX5/VI 9
24 SDIN 1C1 5
RX6/UI 10
S1
16 RMCK
LPF 13 PLL
1C2 4
17 RBCK
S2
Clock 20 RLRCK
9 TMCK/PIO0 44
Selector
22 SBCK 1C3 3
TBCK/PIO1 45 Modulation
1/N
& 23 SLRCK S3
TLRCK/PIO2 46
Parallel Port
TDATA/PIO3 47 1G 1
TXO/PIOEN 48
10
2C0
29 28 27 34
S0
XIN XOUT XMCK CKST
2C1 11
S1
2C2 12
S2
2C3 13
S3
15
2G
10
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
160
D E F
POINT E-2 E-3 1 / Q2 (B), 2 / Pin 5 of IC713
Q2 (B) 1 Q2 (B) 1
IC713 5pin 2 IC713 5pin 2
Power cable ON Power cable OFF
IC544 IC544
0 3.3 0
IC544
3.3
3.3
0
0
0
0.1 3.3
0.6 3.3
DIR
0 3.3 3.3
0.6 0 1.7
1.7
0.6 0
IC545
0 0
1.7
3.3
3.3
0.6 1.7 1.7
1.7
0.2
1.6 0
0.2 C-3 1.6
3.3
3.3
0 0
IC548
0
0 0
0
3.1
0
CLOCK SELECTOR
AD IN
0 3.3
0
0
0 0
0 0
1.7 0
DIGITAL IN
1.7 1.7
1.7
1.7
0 1.6
0 3.3
0 0
0
0
0 0
1.7 0
1.7 0
1.7
0 1.3
IC702: R1172S331B-E2-F
IC544, 545: TC7WH04FK IC548: TC7WH157FK CMOS-based positive-voltage regulator IC
Triple inverter 2 channel multiplexer
A 1 8 VCC
1A 1 8 VCC V
DD 6
S0
B 2 7 ST
S0 3Y 2 7 1Y
S1 Y 3 6 SELECT
2A 3 6 3A
S1
GND 4 5 Y
S2 GND 4 5 2Y
S2
S3 CE 3
S3
7 1Y
9 2Y
IC709: TC74VHCT245AFT
Octal bus transceiver
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
G H I
MICROPROCESSOR
AC cable ON
No replacement part available.
FLASH ROM
0.1 0
0.1 0.1
0.1 0.1
0.1 3.3
0.1 0
0.1 3.2
0.1 3.2
0.1 3.2
0.1 3.2
0.1 3.2
0.1 3.2
0.1 3.2
3.3 3.3
3.3 3.3
0.1 3.3
3.3 3.3
0.1 3.2
0.1 3.2
0.1 3.2
0.1 3.3
0.1 3.2
0.1 3.3
0.1 0.1
0.1 0
0.1 3.3
0.1 0.1
0.1 0.1
0.1 0.1
3.3 0
0.3 0
3.3 0
0.3
0
0.4 0
0
0.4 0
0.4 0
3.3
0
0.3 0
3.3 4.2
0.2 0
3.3 4.2 0
0.2 0
0 0
4.2
3.3 0
0
0.1
3.3
3.1
3.3 1.5
3.0 0
0.2 0
0.2 0
0.2 0
0.2 0
0.1 0
0.2 0
0.2 0
0
0
3.3 0
0.1 0
0
0 0
0 0
3.3 0
0
0
0.1 0
0
0 0
0.1 0
3.3 0
0 0
3.3
0
SDRAM 128M-bit
IC705: TC7SET34FU IC707: TC7WH125FK
Dual bus buffer
Non inverter
NC 1 5 V
CC G1 1 8 Vcc
V
1 OUT IN A
2
A1 2 7 G2
GND 3 4 OUT Y
Y2 3 6 Y1
GND 4 5 A2
Vref
Current Limit
2,5 GND
Pin No. Symbol Description
1 V OUT Output Pin of Voltage Regulator
2, 5 GND Ground Pin
3 CE Chip Enable Pin
4 NC No Connection
6 V DD Input Pin
IC713: TC7WH14FK IC716: TC7SH125FU
IC710: TC7WH08FK
Triple schmitt inverter Bus buffer
Dual 2-input AND gate
1A 1 8 VCC G 1 5 V
CC
1A 1 8 VCC
Vcc
1 20 3Y 2 7 1Y
IN A 2
1B 1Y
2 7
2 19 G
2A 3 6 3A GND 3 OUT Y
4
2Y 2B
3 18 B1 3 6
GND 4 5 2Y
4 17 B2 GND
4 5 2A
5 16 B3
6 15 B4
B5
7 14
8 13 B6
9 12 B7
10 11 B8
J K L
MAIN
(VNP2)
(Writing port)
CB701
IC704
IC710
IC704
3.3
0 IC709 5.0
0
5.0 0
0
0
3.3 0
0.1 0
0
3.3 0 0
0.1
0
5.0 0
0
5.0 3.3
5.0
3.3
0 3.3
5.0
IC705
3.3
5.0
0 IC705
IC705
0
3.3 IC707
5.0 3.3
0
IC707
5.0 3.3
3.3
3.3
IC707
0 E-1
MAIN
MICROPROCESSOR
(VNP2)
IC703: IS42S32400D-7TL
128 M-bit synchronous dynamic RAM
CLK
DQM0-DQM3
CKE
CS
COMMAND DATA IN
4
RAS DECODER BUFFER
CAS & 32 32
WE CLOCK
REFRESH
GENERATOR MODE
REGISTER CONTROLLER DQ0-31
12
SELF V DD /V DDQ
DATA OUT
REFRESH
A10 Vss/Vss
BUFFER Q
A11 CONTROLLER
32 32
A9
A8
A7
REFRESH
A6
CONTROLLER
A5
A4
4096
A3
4096
A2
MEMORY CELL
4096
A1
4096 ARRAY
12
A0
BA0 ROW BANK 0
ROW
ADDRESS
BA1 ADDRESS
LATCH
BUFFER
12
12
SENSE AMP I/O GATE
256
(x 32)
COLUMN
ADDRESS LATCH BANK CONTROL LOGIC
8
BURST COUNTER
COLUMN DECODER
COLUMN
ADDRESS BUFFER
8
M N
E-2
2
1
E-3
Page 164 G8
to OPERATION (4)_CB451
12.0
11.9
1.7
12.0
3.3 3.3
CB704
IC713 3.3 3.3
IC716
3.3
0
3.3
3.3
0
0
0
3.3 0
IC713
3.3 3.3
IC716
3.3 2.2 2.2 0
3.3
0 IC715
IC713
3.3 1.2
IC704
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 1.2
0 0
3.3 0
0
0
3.3
0
3.3 3.3
3.3
0 3.3
3.3 3.3
0
3.3 0
0
0 0
3.3 0
0
0 0
0 3.3
0
0
3.3
1.2
0 1.2
3.3 1.2
1.2
0
3.3
0
0 0
3.3 0
0
0
3.3
0
3.3
0 3.3
3.3
0
0
3.3
0 3.3
3.3 3.3
1.7
3.3
1.6 0 3.3
0 0
0
0
0 0
0 0
IC704: YTD446-CZ
Main microprocessor
Network audio equipment, and an equipment with network function
GPIO
Memory I/F Interrupt
ARM926EJ-S
Controller
SPI
Memory
ARM9EJ-S MMU
Controller0 Dual Timer0 UART0
V DD 1 86 V SS
DQ0 2 85 DQ15 I-cache D-cache
Dual Timer1 UART1
V DD Q 3 84 V SS Q
16KB 16KB
DQ1 4 83 DQ14 Memory
DQ2 5 82 DQ13 Controller1 Watchdog UART2
V Q 6 81 V Q
SS DD I-TCM D-TCM Timer
DQ3 7 80 DQ12
JTAG
DQ4 8 79 DQ11 16KB 16KB I2C
V Q 9 78 V Q USB DMA
DD SS
DQ5 10 77 DQ10
DQ6 11 76 DQ9 Encryption Power Manager
SD Host Audio Engine
V SS Q 12 75 V DD Q
Engine
DQ7 13 74 DQ8 Clock Gen.
NC 14 73 NC Programmable
SD Host I/F 0
V DD 15 72 V SS Network Engine DSP PLL
DQM0 16 71 DQM1
WE 17 70 NC
802.3 802.3
CAS 18 69 NC SD Host I/F 1
MAC0 MAC1 Audio I/F
RAS 19 68 CLK
Reset Control
CS 20 67 CKE
A11 21 66 A9
BA0 22 65 A8
BA1 23 64 A7
24 63
A10 A6
A0 25 62 A5
A1 26 61 A4
A2 27 60 A3
DQM2 28 59 DQM3
V 29 58 V
DD SS IC715: R3112N251A-TR
NC 30 57 NC
DQ16 31 56 DQ31
Voltage regulator
V SS Q 32 55 V DD Q
DQ17 33 54 DQ30
DQ18 34 53 DQ29
V DD Q 35 52 V SS Q
DQ19 36 51 DQ28
DQ20 37 50 DQ27
V 2
V SS Q 38 49 V DD Q DD
1 V OUT
DQ21 39 48 DQ26 R D
DQ22 40 47 DQ25
V DD Q 41 46 V SS Q
DQ23 42 45 DQ24
V 43 44 V
DD SS
Vref
3 GND
5
C
D
Pin No. Symbol Description
OUT
1 Output Pin ("L" at Detect, "H" at Released)
2 V DD Input and power source for device itself
3 GND Ground Pin
4 NC No Connection
5 C Pin for external capacitor for setting output delay
D